Haydée Mercedes Sosa, known as La Negra, (9 July 1935 – 4 October 2009) was an Argentine singer who was popular throughout Latin America and internationally. With her roots in Argentine folk music, Sosa became one of the preeminent exponents of nueva canción. She gave voice to songs written by both Brazilians and Cubans. She was best known as the "voice of the voiceless ones".
Sosa performed in venues such as the Lincoln Center in New York City, the Théâtre Mogador in Paris and the Sistine Chapel in Vatica...